Nancy Buchannon/an/Buckannon GA mid1800s

Looking for any information on Nancy Buchannon/Buchannan/Buckannon born 30 Oct 1827 (poss NC), died 25 Oct 1868 in Union County GA. First husband was Daniel Conner (8 Jun 1815-6 Aug 1856), married 6 Apr 1847 in Clarke County GA. Second husband was Solomon Hill Rich (15 May 1807 - 8 Feb 1889) married 22 Oct 1865. Would like to know where she came from, any siblings or who her parents were.